/* ============================================================
   「我们的时光」情侣记录网站 —— 全局样式 v3
   设计基调：温柔渐变 · 精致治愈
     · 蜜桃粉 → 淡丁香紫 的柔和渐变光晕背景
     · 毛玻璃（glassmorphism）侧边栏 / 顶栏 / 底部 Tab
     · 更饱满的圆角、更细腻的分层阴影、更柔顺的微动效
     · 浅色 / 深色 双主题：默认跟随系统，可手动切换并记忆
   ============================================================ */

/* ============================================================
   一、主题令牌（Design Tokens）
   ============================================================ */

/* ---------- 浅色主题（默认） ---------- */
:root {
  color-scheme: light;

  /* 背景与光晕 */
  --bg: #FFF8F4;
  --glow-1: rgba(255, 205, 178, 0.55);
  --glow-2: rgba(226, 190, 240, 0.42);
  --glow-3: rgba(255, 232, 205, 0.50);

  /* 表面 */
  --surface: #FFFFFF;
  --surface-soft: #FFF4EC;
  --surface-2: #FDF2EC;
  --surface-inset: #FBF0E9;

  /* 文字 */
  --text: #4A3A34;
  --text-soft: #6E5C54;
  --text-muted: #9C8A81;

  /* 主色 */
  --accent: #EE9B7E;
  --accent-deep: #DB7A5A;
  --accent-ink: #FFFFFF;
  --accent-soft: #FCE7DD;
  --lilac: #C6A4DE;
  --lilac-deep: #A97FC9;
  --danger: #C86A6A;
  --danger-soft: #FBE9E9;

  /* 渐变 */
  --grad-hero: linear-gradient(135deg, #FFE6D5 0%, #FDDCE4 52%, #EFDCF7 100%);
  --grad-brand: linear-gradient(135deg, #F7B49A 0%, #E79DBE 55%, #C6A4DE 100%);
  --grad-accent: linear-gradient(135deg, #F3A98C 0%, #E28FB4 100%);
  --grad-surface: linear-gradient(135deg, #FFFDFB 0%, #FDF4EE 100%);

  /* 线条与阴影 */
  --line: rgba(74, 58, 52, 0.075);
  --line-strong: rgba(74, 58, 52, 0.14);
  --shadow-sm: 0 2px 10px rgba(203, 149, 128, 0.10);
  --shadow-card: 0 8px 28px rgba(203, 149, 128, 0.15);
  --shadow-pop: 0 16px 44px rgba(203, 149, 128, 0.24);
  --shadow-accent: 0 10px 26px rgba(219, 122, 90, 0.34);

  /* 毛玻璃 */
  --glass-bg: rgba(255, 255, 255, 0.70);
  --glass-edge: rgba(255, 255, 255, 0.75);

  /* 几何 */
  --radius-card: 20px;
  --radius-btn: 14px;
  --radius-pill: 999px;

  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
}

/* ---------- 深色主题：手动指定 ---------- */
:root[data-theme="dark"] {
  color-scheme: dark;

  --bg: #17141A;
  --glow-1: rgba(180, 96, 78, 0.34);
  --glow-2: rgba(126, 86, 168, 0.34);
  --glow-3: rgba(96, 74, 120, 0.26);

  --surface: #221E27;
  --surface-soft: #2A242F;
  --surface-2: #2C2531;
  --surface-inset: #1E1A23;

  --text: #F0E6E2;
  --text-soft: #CFC0BC;
  --text-muted: #A08E92;

  --accent: #F2A98C;
  --accent-deep: #F7BCA4;
  --accent-ink: #2A1A16;
  --accent-soft: #3B2A2A;
  --lilac: #C7A8E6;
  --lilac-deep: #D9BEF2;
  --danger: #E48C8C;
  --danger-soft: #3A2626;

  --grad-hero: linear-gradient(135deg, #3B2B33 0%, #3A2A3D 52%, #2E2744 100%);
  --grad-brand: linear-gradient(135deg, #C9765A 0%, #B06C92 55%, #8E6BB4 100%);
  --grad-accent: linear-gradient(135deg, #E08868 0%, #C3719A 100%);
  --grad-surface: linear-gradient(135deg, #26212B 0%, #221E27 100%);

  --line: rgba(255, 255, 255, 0.075);
  --line-strong: rgba(255, 255, 255, 0.14);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.34);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.40);
  --shadow-pop: 0 18px 48px rgba(0, 0, 0, 0.52);
  --shadow-accent: 0 10px 26px rgba(0, 0, 0, 0.42);

  --glass-bg: rgba(34, 30, 39, 0.66);
  --glass-edge: rgba(255, 255, 255, 0.07);
}

/* ---------- 深色主题：跟随系统（未手动指定时生效） ---------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    color-scheme: dark;

    --bg: #17141A;
    --glow-1: rgba(180, 96, 78, 0.34);
    --glow-2: rgba(126, 86, 168, 0.34);
    --glow-3: rgba(96, 74, 120, 0.26);

    --surface: #221E27;
    --surface-soft: #2A242F;
    --surface-2: #2C2531;
    --surface-inset: #1E1A23;

    --text: #F0E6E2;
    --text-soft: #CFC0BC;
    --text-muted: #A08E92;

    --accent: #F2A98C;
    --accent-deep: #F7BCA4;
    --accent-ink: #2A1A16;
    --accent-soft: #3B2A2A;
    --lilac: #C7A8E6;
    --lilac-deep: #D9BEF2;
    --danger: #E48C8C;
    --danger-soft: #3A2626;

    --grad-hero: linear-gradient(135deg, #3B2B33 0%, #3A2A3D 52%, #2E2744 100%);
    --grad-brand: linear-gradient(135deg, #C9765A 0%, #B06C92 55%, #8E6BB4 100%);
    --grad-accent: linear-gradient(135deg, #E08868 0%, #C3719A 100%);
    --grad-surface: linear-gradient(135deg, #26212B 0%, #221E27 100%);

    --line: rgba(255, 255, 255, 0.075);
    --line-strong: rgba(255, 255, 255, 0.14);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.34);
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.40);
    --shadow-pop: 0 18px 48px rgba(0, 0, 0, 0.52);
    --shadow-accent: 0 10px 26px rgba(0, 0, 0, 0.42);

    --glass-bg: rgba(34, 30, 39, 0.66);
    --glass-edge: rgba(255, 255, 255, 0.07);
  }
}

/* ============================================================
   二、基础重置
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background .4s var(--ease), color .4s var(--ease);
  overflow-x: hidden;
}

/* 背景装饰：三团柔光渐变，营造「温柔渐变」氛围。
   position:fixed + z-index:-1 是跨浏览器可靠的固定背景手法；
   不加 filter:blur（径向渐变本身已足够柔和，blur 大面积会拖慢低端手机）。 */
body::before {
  content: "";
  position: fixed;
  inset: -20vh -20vw;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(42vw 42vw at 12% 4%, var(--glow-1) 0%, transparent 62%),
    radial-gradient(46vw 46vw at 92% 12%, var(--glow-2) 0%, transparent 64%),
    radial-gradient(52vw 52vw at 50% 104%, var(--glow-3) 0%, transparent 66%);
  animation: glowDrift 26s ease-in-out infinite alternate;
}
@keyframes glowDrift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(-1.5%, 1.5%, 0) scale(1.04); }
  100% { transform: translate3d(1.5%, -1%, 0) scale(1.02); }
}
@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
}

.hidden { display: none !important; }

img { max-width: 100%; display: block; }

h1, h2, h3 { font-weight: 650; letter-spacing: -0.01em; }

a { color: inherit; text-decoration: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

input, textarea, select {
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-btn);
  padding: 12px 15px;
  width: 100%;
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease), background .3s var(--ease);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: .8; }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3.5px var(--accent-soft);
}
textarea { resize: vertical; min-height: 90px; line-height: 1.65; }
input[type="checkbox"], input[type="radio"] {
  width: auto; padding: 0; margin: 0; border: none; background: transparent;
  accent-color: var(--accent);
}
select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%),
                    linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

/* 统一滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 999px; }
::-webkit-scrollbar-track { background: transparent; }

/* ============================================================
   三、内联图标
   ============================================================ */
.nav-ic { display: inline-flex; align-items: center; justify-content: center; }
.nav-ic svg { width: 22px; height: 22px; display: block; }

/* ============================================================
   四、主题切换按钮
   ============================================================ */
.theme-toggle {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--text-muted);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  transition: color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.theme-toggle:hover { color: var(--accent-deep); transform: translateY(-1px); box-shadow: var(--shadow-card); }
.theme-toggle:active { transform: scale(.92); }
.theme-toggle svg { width: 19px; height: 19px; }
/* 图标随主题切换：浅色显示月亮（点了变深色），深色显示太阳 */
.theme-toggle .ic-moon { display: block; }
.theme-toggle .ic-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .ic-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .ic-sun { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) .theme-toggle .ic-moon { display: none; }
  :root:not([data-theme="light"]):not([data-theme="dark"]) .theme-toggle .ic-sun { display: block; }
}
/* 侧边栏里的版本 */
.sidebar-foot .theme-toggle { width: 100%; height: 42px; border-radius: var(--radius-btn); gap: 8px; }
.sidebar-foot .theme-toggle .tt-label { font-size: 13px; }
/* 解锁页悬浮版本 */
.theme-toggle-float { position: fixed; top: 16px; right: 16px; z-index: 6; }

/* ============================================================
   五、解锁 / 注册 / 加入页
   ============================================================ */
.view-unlock {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  position: relative;
}
.unlock-brand { text-align: center; margin-bottom: 26px; }
.brand-logo {
  width: 74px; height: 74px;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; color: #fff;
  background: var(--grad-brand);
  border-radius: 26px;
  box-shadow: 0 14px 34px rgba(219, 122, 90, .34), inset 0 1px 0 rgba(255,255,255,.4);
  animation: logoFloat 5s ease-in-out infinite;
}
@keyframes logoFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-5px) rotate(-2deg); }
}
.brand-logo.sm {
  width: 38px; height: 38px; font-size: 19px; margin: 0;
  border-radius: 13px; box-shadow: 0 5px 14px rgba(219, 122, 90, .3);
  animation: none;
}
.brand-title {
  font-size: 27px; letter-spacing: 1.5px;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.brand-sub { color: var(--text-muted); margin-top: 6px; font-size: 13px; letter-spacing: .4px; }

.unlock-card {
  width: 100%; max-width: 372px;
  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  border: 1px solid var(--glass-edge);
  border-radius: 26px;
  box-shadow: var(--shadow-pop);
  padding: 30px 26px;
  animation: cardRise .5s var(--ease) both;
}
@keyframes cardRise {
  from { opacity: 0; transform: translateY(14px) scale(.985); }
  to   { opacity: 1; transform: none; }
}
.unlock-hello { text-align: center; margin-bottom: 20px; }
.unlock-hello .nick { font-weight: 650; color: var(--text); font-size: 17px; }
.unlock-hello .hint { color: var(--text-muted); margin-top: 4px; font-size: 13px; }

.unlock-create-link { text-align: center; margin-top: 18px; font-size: 13px; }
.unlock-create-link a {
  color: var(--accent-deep); font-size: 13px;
  text-decoration: none;
  border-bottom: 1px dashed color-mix(in srgb, var(--accent) 55%, transparent);
  padding-bottom: 1px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.unlock-create-link a:hover { color: var(--accent); border-bottom-style: solid; }

/* 管理员入口（右下角低调文字） */
.admin-entry {
  position: fixed; right: 18px; bottom: 16px;
  color: var(--text-muted); font-size: 12px; opacity: .65;
  text-decoration: none; z-index: 5;
  transition: opacity .2s var(--ease), color .2s var(--ease);
}
.admin-entry:hover { color: var(--accent-deep); opacity: 1; }

/* ============================================================
   六、管理员后台
   ============================================================ */
.admin-wrap { min-height: 100vh; background: transparent; }
.admin-topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  position: sticky; top: 0; z-index: 10;
}
.admin-topbar .t { font-weight: 650; color: var(--text); letter-spacing: .2px; }
.admin-main { max-width: 940px; margin: 26px auto; padding: 0 16px 70px; }
.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; margin-bottom: 20px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 20px 16px; text-align: center;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.stat-card .num {
  font-size: 30px; font-weight: 750; line-height: 1.15;
  background: var(--grad-accent);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.stat-card .lbl { font-size: 13px; color: var(--text-muted); margin-top: 5px; }

.admin-table {
  width: 100%; border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.admin-table th, .admin-table td {
  padding: 13px 15px; text-align: left; font-size: 14px;
  border-bottom: 1px solid var(--line);
}
.admin-table th {
  background: var(--surface-soft); color: var(--text-soft);
  font-weight: 650; font-size: 13px; letter-spacing: .3px;
}
.admin-table tbody tr { transition: background .2s var(--ease); }
.admin-table tbody tr:hover { background: var(--surface-2); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table .code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--surface-soft); padding: 2px 8px; border-radius: 8px; font-size: 12px;
}
.admin-login-card {
  max-width: 372px; margin: 12vh auto 0;
  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  border: 1px solid var(--glass-edge);
  border-radius: 26px;
  box-shadow: var(--shadow-pop);
  padding: 30px 26px;
  animation: cardRise .5s var(--ease) both;
}
.admin-login-card input { background: var(--surface); }
.admin-table-wrap { overflow-x: auto; border-radius: var(--radius-card); }

/* 后台导航（用户列表 / 系统设置） */
.admin-topbar { flex-wrap: wrap; }
.admin-nav { margin-bottom: 0; flex: 0 0 auto; }
.admin-nav button { flex: 0 0 auto; height: 32px; padding: 0 15px; font-size: 13px; }
@media (max-width: 640px) {
  .admin-topbar { gap: 8px; }
  .admin-topbar .t { flex: 1 0 100%; }
}

/* ============================================================
   七、应用主布局
   ============================================================ */
.app { display: flex; min-height: 100vh; }

/* 侧边栏：毛玻璃 */
.sidebar {
  width: 248px; flex-shrink: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  border-right: 1px solid var(--line);
  display: none; flex-direction: column;
  padding: 26px 16px 18px;
  position: sticky; top: 0; height: 100vh;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 11px;
  font-weight: 650; font-size: 16px;
  padding: 0 8px 24px;
  color: var(--text);
  letter-spacing: .2px;
}
.sidebar .nav { display: flex; flex-direction: column; gap: 5px; }
.sidebar-foot {
  margin-top: auto; padding: 0 4px;
  color: var(--text-muted); font-size: 12px;
  display: flex; flex-direction: column; gap: 10px;
}

.nav-item, .tab-item {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 14px;
  border-radius: var(--radius-btn);
  color: var(--text-muted);
  transition: background .24s var(--ease), color .24s var(--ease),
              transform .24s var(--ease), box-shadow .24s var(--ease);
}
.nav-item { flex-direction: row; position: relative; }
.nav-item:hover { background: var(--surface-2); color: var(--text-soft); }
.nav-item.active {
  background: var(--surface);
  color: var(--accent-deep);
  font-weight: 650;
  box-shadow: var(--shadow-card);
}
.nav-item.active::before {
  content: "";
  position: absolute; left: 4px; top: 50%; transform: translateY(-50%);
  width: 3.5px; height: 20px; border-radius: 999px;
  background: var(--grad-accent);
}
.tab-item {
  flex-direction: column; gap: 3px; font-size: 10px;
  padding: 8px 0; flex: 1; text-align: center; min-width: 0;
  border-radius: 14px;
}
.tab-item.active { color: var(--accent-deep); }
.tab-item.active .nav-ic { transform: translateY(-1px); }
.tab-item .nav-ic svg { width: 21px; height: 21px; transition: transform .24s var(--ease); }
.tab-item.active .nav-ic svg { filter: drop-shadow(0 2px 6px var(--accent-soft)); }

/* 顶栏：毛玻璃 */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  padding-top: max(12px, env(safe-area-inset-top));
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.topbar-title {
  font-size: 18px; font-weight: 650; flex: 1; min-width: 0;
  letter-spacing: .2px;
}
.topbar-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.btn-icon {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--text-muted);
  transition: background .22s var(--ease), color .22s var(--ease), transform .22s var(--ease);
}
.btn-icon:hover { background: var(--surface-2); color: var(--accent-deep); }
.btn-icon:active { background: var(--surface-soft); transform: scale(.92); }

.main { flex: 1; min-width: 0; }
.page {
  padding: 16px 16px 104px;
  animation: pageIn .38s var(--ease) both;
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px) scale(.994); }
  to   { opacity: 1; transform: none; }
}

/* 底部 Tab：毛玻璃 */
.tabbar {
  display: flex;
  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-top: 1px solid var(--line);
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  padding: 6px 6px calc(6px + env(safe-area-inset-bottom));
  box-shadow: 0 -6px 26px rgba(150, 110, 96, 0.10);
}

/* ============================================================
   八、通用组件
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 18px;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 44px; padding: 0 19px;
  border-radius: var(--radius-btn);
  font-size: 14px; font-weight: 650;
  background: var(--surface-soft);
  color: var(--text);
  border: 1px solid var(--line);
  transition: transform .2s var(--ease), background .24s var(--ease),
              box-shadow .24s var(--ease), color .24s var(--ease);
}
.btn:hover { background: var(--surface-2); box-shadow: var(--shadow-sm); }
.btn:active { transform: scale(.965); }
.btn-primary {
  background: var(--grad-accent);
  color: var(--accent-ink);
  border-color: transparent;
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover { background: var(--grad-accent); filter: brightness(1.05); box-shadow: var(--shadow-pop); }
.btn-primary:active { filter: brightness(.96); }
.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 26%, transparent);
}
.btn-danger:hover { background: var(--danger-soft); filter: brightness(.97); }
.btn-sm { height: 36px; padding: 0 13px; font-size: 13px; border-radius: 11px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; pointer-events: none; }

.fab {
  position: fixed; right: 18px; bottom: 88px; z-index: 25;
  width: 58px; height: 58px; border-radius: 20px;
  background: var(--grad-accent); color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-accent);
  transition: transform .26s var(--ease), box-shadow .26s var(--ease);
}
.fab:hover { transform: translateY(-2px) rotate(90deg); box-shadow: var(--shadow-pop); }
.fab:active { transform: scale(.9); }
.fab svg { width: 26px; height: 26px; }

.tag {
  display: inline-block; font-size: 11px; padding: 3px 9px;
  border-radius: 8px; font-weight: 600;
  background: var(--surface-soft); color: var(--text-muted);
  border: 1px solid var(--line);
}

/* 分段控件 */
.seg {
  display: flex; background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-btn);
  padding: 4px; margin-bottom: 16px; gap: 3px;
}
.seg button {
  flex: 1; height: 36px; border-radius: 11px;
  font-weight: 650; font-size: 13px; color: var(--text-muted);
  transition: all .24s var(--ease);
}
.seg button:hover:not(.active) { color: var(--text-soft); }
.seg button.active {
  background: var(--surface); color: var(--accent-deep);
  box-shadow: var(--shadow-sm);
}
.seg button:disabled { opacity: .45; cursor: not-allowed; }

/* 加载更多 */
.load-more { text-align: center; margin: 20px 0; }

/* 空状态 */
.empty {
  text-align: center; color: var(--text-muted);
  padding: 64px 20px; font-size: 14px;
}
.empty .em-ic {
  font-size: 44px; opacity: .55; margin-bottom: 10px;
  filter: saturate(.9);
}

/* 页头 */
.page-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 18px;
}
.page-head h2 { font-size: 21px; letter-spacing: .2px; }

/* ============================================================
   九、时间线
   ============================================================ */
.hero-card {
  position: relative;
  background: var(--grad-hero);
  border: 1px solid var(--glass-edge);
  border-radius: 26px;
  padding: 30px 22px 26px;
  text-align: center;
  margin-bottom: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
/* 卡片内的柔光与漂浮爱心装饰 */
.hero-card::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(38% 62% at 12% 8%, rgba(255,255,255,.5) 0%, transparent 60%),
    radial-gradient(42% 58% at 92% 96%, rgba(255,255,255,.32) 0%, transparent 62%);
  pointer-events: none;
}
.hero-card::after {
  content: "♡";
  position: absolute; right: 18px; top: 12px;
  font-size: 58px; line-height: 1;
  color: rgba(255, 255, 255, .38);
  pointer-events: none;
  animation: heartBeat 4.6s ease-in-out infinite;
}
@keyframes heartBeat {
  0%, 100% { transform: scale(1); opacity: .38; }
  50%      { transform: scale(1.12); opacity: .55; }
}
.hero-nicks {
  position: relative;
  font-size: 21px; font-weight: 700;
  color: var(--text);
  letter-spacing: .5px;
}
.hero-nicks .amp {
  margin: 0 9px; font-weight: 400;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero-days { position: relative; margin-top: 12px; font-size: 14px; color: var(--text-soft); }
.hero-days b {
  font-size: 42px; font-weight: 780; margin: 0 7px;
  letter-spacing: -1px;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.post { margin-bottom: 14px; }
.post:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.post-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.post-time { font-size: 12px; color: var(--text-muted); letter-spacing: .2px; }
.post-body { white-space: pre-wrap; word-break: break-word; font-size: 15px; line-height: 1.75; }
.post-photos {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 7px; margin-top: 13px; align-items: start;
}
.post-photos img {
  width: 100%; height: auto;
  object-fit: contain; border-radius: 13px; cursor: pointer;
  background: var(--surface-soft);
  transition: transform .3s var(--ease), filter .3s var(--ease);
}
.post-photos img:hover { transform: scale(1.025); filter: brightness(1.04); }
.post-photos.one { grid-template-columns: 1fr; }
.post-file {
  display: flex; align-items: center; gap: 11px;
  margin-top: 13px; padding: 11px 13px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 13px;
}
.post-file .ficon { color: var(--accent-deep); flex-shrink: 0; }
.post-file .fname { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.post-file a { color: var(--accent-deep); flex-shrink: 0; font-weight: 600; font-size: 13px; }
.post-actions { display: flex; gap: 8px; margin-top: 12px; justify-content: flex-end; }

/* ============================================================
   十、各处列表页
   ============================================================ */

/* ---- 相册 ---- */
.grid-photos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; }
.photo-cell {
  position: relative; border-radius: 17px; overflow: hidden;
  background: var(--surface-soft); cursor: pointer;
  aspect-ratio: 1 / 1;
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.photo-cell:hover { transform: translateY(-3px); box-shadow: var(--shadow-pop); }
.photo-cell img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform .45s var(--ease);
}
.photo-cell:hover img { transform: scale(1.06); }
.photo-cell .del-photo, .photo-cell .move-photo {
  position: absolute; top: 8px; right: 8px;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(20, 14, 12, 0.52);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: scale(.85);
  transition: opacity .24s var(--ease), transform .24s var(--ease), background .2s;
}
.photo-cell .del-photo:hover { background: rgba(200, 60, 60, .82); }
.photo-cell .move-photo { right: auto; left: 8px; }
.photo-cell:hover .del-photo, .photo-cell:hover .move-photo { opacity: 1; transform: scale(1); }
.photo-cell .p-remark {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 16px 11px 8px; font-size: 12px; color: #fff;
  background: linear-gradient(transparent, rgba(20, 14, 12, 0.72));
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ---- 文件 ---- */
.file-row {
  display: flex; align-items: center; gap: 13px;
  padding: 15px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 17px;
  box-shadow: var(--shadow-card);
  margin-bottom: 10px;
  transition: transform .26s var(--ease), box-shadow .26s var(--ease);
}
.file-row:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.file-row .ficon {
  width: 42px; height: 42px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 13px; font-size: 19px;
  background: var(--accent-soft); color: var(--accent-deep);
}
.file-row .fmeta { flex: 1; min-width: 0; }
.file-row .fname { font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14.5px; }
.file-row .fsub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.file-row .row-actions { display: flex; gap: 2px; }
.file-row .row-actions .btn-icon { width: 36px; height: 36px; }

/* ---- 纪念日 ---- */
.anniv-card {
  display: flex; align-items: center; gap: 15px;
  margin-bottom: 12px;
  transition: transform .26s var(--ease), box-shadow .26s var(--ease);
}
.anniv-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.anniv-date { text-align: center; flex-shrink: 0; min-width: 56px; }
.anniv-date .d-day {
  font-size: 27px; font-weight: 780; line-height: 1.05;
  background: var(--grad-accent);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.anniv-date .d-mon { font-size: 12px; color: var(--text-muted); }
.anniv-info { flex: 1; min-width: 0; }
.anniv-info .a-name { font-weight: 650; font-size: 15px; }
.anniv-info .a-count { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.anniv-info .a-count b { color: var(--accent-deep); font-size: 13px; }
.anniv-card.top {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: var(--shadow-accent);
}

/* ---- 心愿 ---- */
.wish-row {
  display: flex; align-items: center; gap: 13px;
  padding: 15px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 17px;
  box-shadow: var(--shadow-card); margin-bottom: 10px;
  transition: transform .26s var(--ease), box-shadow .26s var(--ease);
}
.wish-row:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.wish-check {
  width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid var(--line-strong); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-ink);
  transition: all .26s var(--ease);
}
.wish-check:hover:not(.done) { border-color: var(--accent); transform: scale(1.06); }
.wish-check.done {
  background: var(--grad-accent); border-color: transparent;
  box-shadow: var(--shadow-accent);
}
.wish-check svg { width: 15px; height: 15px; }
.wish-content { flex: 1; min-width: 0; word-break: break-word; font-size: 14.5px; }
.wish-sub { font-size: 12px; color: var(--text-muted); margin-top: 5px; }
.tag-done { background: var(--accent-soft); color: var(--accent-deep); border-color: transparent; }

/* ---- 设置 ---- */
.setting-group { margin-bottom: 22px; }
.setting-group h3 {
  font-size: 15px; margin-bottom: 13px; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.setting-group h3::before {
  content: ""; width: 3.5px; height: 15px; border-radius: 999px;
  background: var(--grad-accent);
}
.form-row { margin-bottom: 13px; }
.form-row label {
  display: block; font-size: 13px; color: var(--text-muted);
  margin-bottom: 6px; font-weight: 500;
}
.inline-actions { display: flex; gap: 10px; }
.inline-actions .btn { flex: 1; }

/* ============================================================
   十一、弹窗 / 灯箱 / 提示 / 进度
   ============================================================ */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(40, 26, 22, 0.42);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  display: flex; align-items: flex-end; justify-content: center;
  animation: maskin .24s var(--ease);
}
@keyframes maskin { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--surface);
  width: 100%; max-width: 470px;
  border-radius: 26px 26px 0 0;
  border: 1px solid var(--line);
  border-bottom: none;
  padding: 24px 21px;
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  animation: slideup .34s var(--ease);
  max-height: 88vh; overflow-y: auto;
  box-shadow: var(--shadow-pop);
}
@keyframes slideup {
  from { transform: translateY(38px); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 17px; }
.modal-head h3 { font-size: 18px; }
.modal-close {
  width: 36px; height: 36px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); border-radius: 50%;
  background: var(--surface-soft);
  transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.modal-close:hover { background: var(--accent-soft); color: var(--accent-deep); }
.modal-close:active { transform: scale(.9); }
.modal-foot { display: flex; gap: 10px; margin-top: 22px; }
.modal-foot .btn { flex: 1; }

.progress {
  height: 7px; background: var(--surface-soft);
  border-radius: 999px; overflow: hidden; margin-top: 9px;
}
.progress-bar {
  height: 100%; width: 0;
  background: var(--grad-accent);
  transition: width .26s var(--ease); border-radius: 999px;
}

.upload-preview { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 13px; }
.upload-preview .preview-item { position: relative; }
.upload-preview img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: contain;
  border-radius: 13px; background: var(--surface-soft);
  border: 1px solid var(--line);
}
.upload-preview .preview-item input { margin-top: 6px; font-size: 12px; padding: 7px 9px; }
.upload-preview .rm {
  position: absolute; top: 5px; right: 5px;
  width: 24px; height: 24px;
  background: rgba(20, 14, 12, 0.58);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  color: #fff; border-radius: 50%; font-size: 12px;
  display: flex; align-items: center; justify-content: center;
}

/* ---- 灯箱 ---- */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(24, 17, 16, 0.95);
  backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  animation: maskin .24s var(--ease);
}
.lightbox-stage {
  flex: 1; display: flex; align-items: center; justify-content: center;
  width: 100%; padding: 20px; overflow: hidden;
}
.lightbox-stage img {
  max-width: 100%; max-height: 100%;
  border-radius: 14px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .6);
}
.lightbox-caption { color: #fff; padding: 14px 20px 32px; font-size: 14px; text-align: center; opacity: .92; }
.lightbox-close {
  position: absolute; top: 16px; right: 16px;
  width: 44px; height: 44px; color: #fff; font-size: 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.lightbox-close:hover { background: rgba(255, 255, 255, .2); }
.lightbox-close:active { transform: scale(.9); }

/* ---- 轻提示 ---- */
.toast {
  position: fixed; left: 50%; bottom: 104px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(74, 58, 52, 0.93);            /* 兜底：不支持 color-mix 的浏览器 */
  background: color-mix(in srgb, var(--text) 92%, transparent);
  color: #FFF8F4;
  color: var(--surface);
  padding: 12px 21px; border-radius: var(--radius-pill);
  font-size: 14px; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: all .34s var(--ease); z-index: 300;
  max-width: 82vw; text-align: center;
  box-shadow: var(--shadow-pop);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err {
  background: rgba(200, 106, 106, 0.95);
  background: color-mix(in srgb, var(--danger) 94%, transparent);
  color: #fff;
}

/* ============================================================
   十二、P1 打卡
   ============================================================ */
.checkin-types { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 18px; }
.checkin-btn {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  height: 58px; border-radius: 17px; font-size: 15px; font-weight: 650;
  background: var(--surface); border: 1px solid var(--line-strong); color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: all .26s var(--ease);
}
.checkin-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); border-color: var(--accent); }
.checkin-btn .ce { font-size: 23px; }
.checkin-btn.done {
  background: var(--grad-accent); color: var(--accent-ink);
  border-color: transparent;
  box-shadow: var(--shadow-accent);
}
.checkin-streak { text-align: center; margin-bottom: 16px; color: var(--text-muted); font-size: 14px; }
.checkin-streak b {
  font-size: 27px; font-weight: 750;
  background: var(--grad-accent);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* 打卡：男方 / 女方两张独立卡片 */
.checkin-card { margin-bottom: 14px; }
.checkin-card.me {
  border-color: color-mix(in srgb, var(--accent) 48%, transparent);
  box-shadow: var(--shadow-accent);
}
.checkin-card.other { background: var(--grad-surface); }
.cc-head { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-bottom: 13px; }
.cc-role {
  flex-shrink: 0; font-size: 12px; padding: 3px 9px; border-radius: 8px; font-weight: 600;
  background: var(--accent-soft); color: var(--accent-deep);
}
.cc-role.female { background: color-mix(in srgb, var(--lilac) 22%, transparent); color: var(--lilac-deep); }
.cc-name { font-weight: 650; font-size: 15px; }
.cc-stat { margin-left: auto; font-size: 12px; color: var(--text-muted); }
.cc-stat b { font-size: 16px; color: var(--accent-deep); font-weight: 700; }
.cc-foot { margin-top: 11px; font-size: 12px; color: var(--text-muted); }
.checkin-card .checkin-types { margin-bottom: 0; }
.checkin-btn .ok, .checkin-chip .ok { font-weight: 750; }
.checkin-chip {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  height: 58px; border-radius: 17px; font-size: 15px; font-weight: 650;
  background: var(--surface-inset); border: 1px dashed var(--line-strong);
  color: var(--text-muted);
}
.checkin-chip .ce { font-size: 23px; opacity: .5; }
.checkin-chip.done {
  background: var(--accent-soft); color: var(--accent-deep);
  border-style: solid; border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}
.checkin-chip.done .ce { opacity: 1; }

.checkin-row {
  display: flex; align-items: center; gap: 9px; padding: 10px 5px;
  border-bottom: 1px solid var(--line); font-size: 13px;
}
.checkin-row:last-child { border-bottom: none; }
.checkin-row.mine { background: var(--accent-soft); border-radius: 11px; padding-left: 10px; padding-right: 10px; }
.cr-role {
  flex-shrink: 0; font-size: 12px; padding: 2px 8px; border-radius: 8px; font-weight: 600;
  background: var(--accent-soft); color: var(--accent-deep);
}
.cr-role.female { background: color-mix(in srgb, var(--lilac) 22%, transparent); color: var(--lilac-deep); }
.cr-name { font-weight: 650; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cr-type { color: var(--text); }
.cr-date { margin-left: auto; color: var(--text-muted); font-size: 12px; }

.checkin-cal {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 15px;
}
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 11px; }
.cal-head .m { font-weight: 650; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-cell {
  aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
  font-size: 12px; border-radius: 9px; color: var(--text-muted);
}
.cal-cell.head { font-weight: 650; color: var(--text-muted); }
.cal-cell.day { color: var(--text); }
.cal-cell.has { background: var(--accent-soft); font-weight: 700; color: var(--accent-deep); }
.cal-cell.today { outline: 1.5px solid var(--accent); outline-offset: -1.5px; }

/* ============================================================
   十三、P1 小事记录本
   ============================================================ */
.thing-stats { display: flex; gap: 11px; margin-bottom: 15px; }
.thing-stat {
  flex: 1; text-align: center; padding: 14px 10px;
  border-radius: 17px; background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  transition: transform .26s var(--ease);
}
.thing-stat:hover { transform: translateY(-2px); }
.thing-stat .n { font-size: 25px; font-weight: 750; line-height: 1.15; }
.thing-stat.warm .n { color: var(--accent-deep); }
.thing-stat.angry .n { color: var(--danger); }
.thing-stat .l { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.thing-row {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 13px 15px; background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 17px;
  box-shadow: var(--shadow-card); margin-bottom: 10px;
  transition: transform .26s var(--ease), box-shadow .26s var(--ease);
}
.thing-row:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.thing-cat { flex-shrink: 0; font-size: 12px; padding: 3px 10px; border-radius: 8px; margin-top: 2px; font-weight: 600; }
.thing-cat.warm { background: var(--accent-soft); color: var(--accent-deep); }
.thing-cat.angry { background: var(--danger-soft); color: var(--danger); }
.thing-body { flex: 1; min-width: 0; }
.thing-body .c { font-size: 14px; word-break: break-word; line-height: 1.7; }
.thing-body .t { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ============================================================
   十四、分类筛选条（相册 / 文件共用）
   ============================================================ */
.cat-bar {
  display: flex; gap: 8px; overflow-x: auto;
  padding-bottom: 9px; margin-bottom: 15px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.cat-bar::-webkit-scrollbar { display: none; }
.cat-chip {
  flex-shrink: 0; padding: 7px 15px; border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 550;
  background: var(--surface); border: 1px solid var(--line-strong);
  color: var(--text-muted);
  transition: all .24s var(--ease); cursor: pointer; white-space: nowrap;
}
.cat-chip:hover { border-color: var(--accent); color: var(--accent-deep); }
.cat-chip.active {
  background: var(--grad-accent); color: var(--accent-ink);
  border-color: transparent; box-shadow: var(--shadow-accent);
}
.cat-chip.manage { border-style: dashed; color: var(--accent-deep); }

/* ============================================================
   十五、桌面端（≥768px）
   ============================================================ */
@media (min-width: 768px) {
  body { font-size: 16px; }
  .page { padding: 34px 40px 64px; max-width: 880px; margin: 0 auto; }
  .grid-photos { grid-template-columns: repeat(3, 1fr); gap: 15px; }
  .tabbar { display: none; }
  .topbar { display: none; }
  .main { padding-right: 0; }
  .sidebar { display: flex; }
  .modal-mask { align-items: center; }
  .modal { border-radius: 26px; border-bottom: 1px solid var(--line); }
  .fab { bottom: 42px; right: 42px; }
  .brand-title { font-size: 32px; }
  .unlock-card { max-width: 408px; }
  .view-unlock { flex-direction: row; gap: 84px; }
  .unlock-brand { margin-bottom: 0; text-align: left; }
  .unlock-brand .brand-logo { margin: 0 0 14px; }
  .post-photos { grid-template-columns: repeat(3, 1fr); }
  .hero-card { padding: 36px 26px 32px; }
  .hero-days b { font-size: 48px; }
}

/* ---- 宽屏：充分利用横向空间，避免两侧大片空白 ---- */
@media (min-width: 1280px) {
  .page { max-width: 1120px; padding: 38px 48px 72px; }
  .grid-photos { grid-template-columns: repeat(4, 1fr); }
  .post-photos { grid-template-columns: repeat(4, 1fr); }
  .hero-card { padding: 42px 30px 38px; }
}
@media (min-width: 1680px) {
  .page { max-width: 1360px; }
  .grid-photos { grid-template-columns: repeat(5, 1fr); }
  .post-photos { grid-template-columns: repeat(5, 1fr); }
  .stat-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
}

/* ============================================================
   十六、移动端（<768px）
   ============================================================ */
@media (max-width: 767px) {
  .grid-photos { grid-template-columns: repeat(2, 1fr); }
  .sidebar { display: none !important; }
  .app { flex-direction: column !important; }
  .topbar { display: flex !important; width: 100% !important; min-height: 0 !important; flex-shrink: 0 !important; }
  .tabbar { display: flex !important; overflow-x: auto; scrollbar-width: none; }
  .tabbar::-webkit-scrollbar { display: none; }
  .tab-item { min-width: 0; }
  .main { margin-left: 0 !important; padding-left: 0 !important; width: 100% !important; }
  .page { margin-left: 0 !important; padding-left: 16px !important; }
}

/* ============================================================
   十七、P2 彩蛋：时光胶囊 / 年度报告 / 异地联动 / 随机回忆
   ============================================================ */
.loading-line { padding: 26px 4px; color: var(--text-muted); font-size: 14px; }
.hint-line { color: var(--text-muted); font-size: 12px; line-height: 1.75; margin-top: 11px; }

/* ---- 时光胶囊 ---- */
.capsule-head { display: flex; align-items: center; gap: 10px; margin-bottom: 13px; flex-wrap: wrap; }
.capsule-stat {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 15px; padding: 9px 15px; box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; align-items: center; min-width: 78px;
}
.capsule-stat b {
  font-size: 20px; font-weight: 750;
  background: var(--grad-accent);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.capsule-stat span { font-size: 12px; color: var(--text-muted); }
.capsule-head .btn { margin-left: auto; }
.capsule-card {
  display: flex; gap: 13px; align-items: flex-start; margin-bottom: 12px;
  transition: transform .26s var(--ease), box-shadow .26s var(--ease);
}
.capsule-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.capsule-card.locked { background: var(--grad-surface); }
.capsule-lock { width: 36px; height: 36px; flex-shrink: 0; color: var(--accent-deep); }
.capsule-lock svg { width: 100%; height: 100%; }
.capsule-body { flex: 1; min-width: 0; }
.capsule-title { font-weight: 650; font-size: 15px; display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.capsule-sub { font-size: 12px; color: var(--text-muted); margin-top: 5px; }
.capsule-mask { font-size: 12px; color: var(--accent-deep); margin-top: 9px; letter-spacing: .6px; }
.capsule-text {
  margin-top: 11px; font-size: 14px; line-height: 1.8;
  white-space: pre-wrap; word-break: break-word;
  background: var(--surface-soft); border: 1px solid var(--line);
  border-radius: 13px; padding: 13px;
}
.capsule-photo { width: 100%; border-radius: 13px; margin-top: 11px; display: block; }
.capsule-photo-err { font-size: 12px; color: var(--text-muted); margin-top: 9px; }

/* ---- 年度回忆报告 ---- */
.report-teaser { text-align: center; padding: 30px 20px; }
.report-teaser .em-ic { font-size: 36px; }
.report-teaser p { color: var(--text-muted); font-size: 14px; margin: 11px 0; }
.report-count { font-size: 14px; }
.report-count b { font-size: 22px; color: var(--accent-deep); font-weight: 750; }
.report-hero {
  background: var(--grad-hero);
  border: 1px solid var(--glass-edge);
  border-radius: 22px;
  text-align: center; padding: 26px 20px; margin-bottom: 15px;
  box-shadow: var(--shadow-card);
}
.report-label { font-size: 19px; font-weight: 750; }
.report-range { font-size: 12px; color: var(--text-soft); margin-top: 7px; }
.report-days { font-size: 14px; margin-top: 11px; color: var(--text-soft); }
.report-days b {
  font-size: 23px; font-weight: 780;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.report-lines { margin: 15px 0; }
.report-lines .rl {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px;
}
.report-lines .rl:last-child { border-bottom: none; }
.report-lines .rl span { color: var(--text-muted); }
.report-chart h3 { font-size: 15px; margin-bottom: 13px; }
.rb-wrap { display: flex; align-items: flex-end; gap: 5px; height: 124px; }
.rb-col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; }
.rb-bar {
  width: 100%; min-height: 3px;
  background: var(--grad-accent);
  border-radius: 7px 7px 0 0;
  transition: height .4s var(--ease);
}
.rb-lb { font-size: 10px; color: var(--text-muted); margin-top: 5px; }
.report-post { margin-top: 13px; }
.report-post .rp-when { font-size: 12px; color: var(--text-muted); margin-bottom: 7px; }
.report-post .rp-text { font-size: 14px; line-height: 1.75; white-space: pre-wrap; word-break: break-word; }

/* ---- 异地联动 ---- */
.link-panel { display: flex; align-items: stretch; gap: 9px; margin: 15px 0; }
.link-city {
  flex: 1; background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  padding: 17px 12px; text-align: center; min-width: 0;
}
.lc-name { font-weight: 650; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lc-region { font-size: 11px; color: var(--text-muted); margin-top: 3px; min-height: 16px; }
/* v1.7：天气已移除，改为显示坐标解析状态 */
.lc-state { font-size: 11px; color: var(--accent-deep); margin-top: 8px; }
.link-dist { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 64px; }
.ld-num { font-size: 20px; font-weight: 750; color: var(--accent-deep); }
.ld-lb { font-size: 11px; color: var(--text-muted); }
.link-miss-card { margin-top: 15px; text-align: center; }

/* ---- 想你 / 提醒弹窗 ---- */
.miss-popup { text-align: center; padding: 6px 0 4px; }
.miss-emoji { font-size: 44px; animation: missBeat 900ms var(--ease) 2; }
.miss-popup p { margin-top: 11px; font-size: 15px; line-height: 1.75; }
@keyframes missBeat { 0%, 100% { transform: scale(1); } 45% { transform: scale(1.24); } }

/* ---- 随机回忆 ---- */
.memory-when { font-size: 12px; color: var(--text-muted); margin-bottom: 11px; }
.memory-photos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; margin-bottom: 13px; }
.memory-photos.one { grid-template-columns: 1fr; }
.memory-photos img { width: 100%; border-radius: 13px; cursor: pointer; display: block; }
.memory-text {
  font-size: 14px; line-height: 1.8; white-space: pre-wrap; word-break: break-word;
  background: var(--surface-soft); border: 1px solid var(--line);
  border-radius: 13px; padding: 13px;
}

/* ---- 「去看看」定位高亮 ---- */
.post-highlight { animation: postFlash 2.6s var(--ease); }
@keyframes postFlash {
  0%, 100% { box-shadow: var(--shadow-card); }
  15%, 60% { box-shadow: 0 0 0 3px var(--accent), var(--shadow-pop); }
}

/* 移动端：联动面板改竖排 */
@media (max-width: 480px) {
  .link-panel { flex-direction: column; }
  .link-dist { flex-direction: row; gap: 6px; padding: 6px 0; }
}

/* ============================================================
   十八、v2 双账号：角色选择 / 邀请伴侣 / 加入空间 / 新动态提示
   ============================================================ */
.link-dot { color: var(--text-muted); margin: 0 7px; }
.role-seg { margin: 0; }

/* 邀请码查询结果预览 */
.invite-preview { text-align: center; padding: 20px 17px; margin-top: 15px; }
.invite-preview .ip-title { font-size: 17px; font-weight: 750; }
.invite-preview .ip-title .amp {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.invite-preview .ip-sub { font-size: 12px; color: var(--text-muted); margin: 9px 0 15px; }
.invite-preview .ip-warn { font-size: 13px; color: var(--danger); line-height: 1.65; }

/* 设置页：邀请伴侣 */
.invite-code-box {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--surface-soft); border: 1px solid var(--line);
  border-radius: 13px; padding: 11px 13px; margin-top: 11px;
}
.invite-code-box .ic-label { font-size: 12px; color: var(--text-muted); flex-shrink: 0; }
.invite-code-box .ic-value {
  flex: 1; min-width: 120px; font-weight: 750; letter-spacing: 1.5px;
  word-break: break-all; color: var(--accent-deep); font-size: 15px;
}
.invite-code-box .ic-value.link { font-weight: 400; font-size: 12px; letter-spacing: 0; color: var(--text-muted); }
.member-list { margin-top: 15px; }
.member-row {
  display: flex; align-items: center; gap: 9px; padding: 9px 0;
  border-bottom: 1px solid var(--line); font-size: 13px;
}
.member-row:last-child { border-bottom: none; }
.member-row .m-role {
  flex-shrink: 0; font-size: 12px; padding: 3px 9px; border-radius: 8px; font-weight: 600;
  background: var(--accent-soft); color: var(--accent-deep);
}
.member-row .m-name { font-weight: 650; }
.member-row .m-email { color: var(--text-muted); margin-left: auto; overflow: hidden; text-overflow: ellipsis; }
.member-row .m-tag {
  flex-shrink: 0; font-size: 11px; padding: 2px 7px; border-radius: 7px; font-weight: 600;
  background: var(--grad-accent); color: var(--accent-ink);
}

/* 空间有新动态时的浮动提示 */
.new-posts-pill {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: 88px; z-index: 60;
  background: var(--grad-accent); color: var(--accent-ink); border: none;
  padding: 11px 19px; border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 600; cursor: pointer;
  box-shadow: var(--shadow-accent);
  animation: pillIn .34s var(--ease);
}
@keyframes pillIn {
  from { opacity: 0; transform: translate(-50%, 12px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}
@media (min-width: 768px) {
  .new-posts-pill { bottom: 42px; left: auto; right: 42px; transform: none; }
  @keyframes pillIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
}

/* ============================================================
   十九、v1.4 交互增强：批量选择 / 日期滚轮选择器
   ============================================================ */

/* ---- 页头操作组 ---- */
.head-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* ---- 批量选择工具条 ---- */
.select-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  flex-wrap: wrap;
  padding: 11px 14px; margin-bottom: 14px;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: var(--radius-btn);
  animation: fadein .24s var(--ease);
}
.select-bar .sb-count { font-size: 13px; color: var(--text-soft); }
.select-bar .sb-count b { color: var(--accent-deep); font-size: 15px; }
.select-bar .sb-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* 选中态：相册格子 */
.grid-photos.selecting .photo-cell { cursor: pointer; }
.grid-photos.selecting .photo-cell img { transition: opacity .22s var(--ease), transform .3s var(--ease); }
.photo-cell.pick.on img { opacity: .72; }
.photo-cell.pick.on { box-shadow: 0 0 0 2.5px var(--accent), var(--shadow-card); }
.pick-mark {
  position: absolute; top: 8px; right: 8px;
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 750;
  background: rgba(255, 255, 255, 0.86);
  border: 1.5px solid rgba(0, 0, 0, 0.14);
  color: var(--accent-deep);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.photo-cell.pick.on .pick-mark {
  background: var(--grad-accent); color: var(--accent-ink); border-color: transparent;
}

/* 选中态：文件行 */
.file-row.pick { cursor: pointer; }
.file-row.pick .pick-mark {
  position: static; margin-right: 2px;
  width: 24px; height: 24px; font-size: 13px; flex-shrink: 0;
}
.file-row.pick.on {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  background: var(--accent-soft);
}

/* ---- 日期字段（可手输 + 点按钮用滚轮选） ---- */
.date-field { display: flex; gap: 8px; align-items: center; }
.date-field.inline { flex: 1; min-width: 150px; }
.date-field .date-input {
  flex: 1; min-width: 0;
  font-variant-numeric: tabular-nums; letter-spacing: .3px;
}
.date-pick-btn {
  flex-shrink: 0; width: 46px; height: 46px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-btn);
  background: var(--surface-soft);
  border: 1px solid var(--line-strong);
  color: var(--accent-deep);
  transition: all .24s var(--ease);
}
.date-pick-btn:hover { border-color: var(--accent); background: var(--accent-soft); }
.date-pick-btn:active { transform: scale(.94); }
.date-pick-btn svg { width: 20px; height: 20px; }

/* ---- 日期滚轮选择器 ---- */
.dp-mask {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(40, 26, 22, 0.42);
  backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
  display: flex; align-items: flex-end; justify-content: center;
  animation: maskin .22s var(--ease);
}
.dp-sheet {
  width: 100%; max-width: 470px;
  background: var(--surface);
  border: 1px solid var(--line); border-bottom: none;
  border-radius: 26px 26px 0 0;
  padding: 22px 20px;
  padding-bottom: max(22px, env(safe-area-inset-bottom));
  box-shadow: var(--shadow-pop);
  animation: slideup .3s var(--ease);
}
@media (min-width: 768px) {
  .dp-mask { align-items: center; }
  .dp-sheet { border-radius: 26px; border-bottom: 1px solid var(--line); }
}
.dp-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.dp-head h3 { font-size: 17px; }
.dp-presets {
  display: flex; gap: 8px; overflow-x: auto;
  padding-bottom: 6px; margin-bottom: 14px;
  scrollbar-width: none;
}
.dp-presets::-webkit-scrollbar { display: none; }
.dp-presets .cat-chip { padding: 6px 13px; font-size: 12.5px; }

.dp-wheels { position: relative; display: flex; gap: 4px; justify-content: center; }
.dp-col { flex: 1; max-width: 112px; display: flex; flex-direction: column; align-items: center; }
.dp-list {
  position: relative; z-index: 1;
  height: 180px; width: 100%; overflow-y: auto;
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  -webkit-mask-image: linear-gradient(transparent, #000 28%, #000 72%, transparent);
  mask-image: linear-gradient(transparent, #000 28%, #000 72%, transparent);
}
.dp-list::-webkit-scrollbar { display: none; }
.dp-pad { height: 72px; }
.dp-item {
  height: 36px; line-height: 36px; text-align: center;
  scroll-snap-align: center;
  font-size: 16px; color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  transition: color .2s var(--ease), font-size .2s var(--ease);
}
.dp-item.is-active { color: var(--accent-deep); font-weight: 750; font-size: 18px; }
.dp-unit { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.dp-marker {
  position: absolute; left: 0; right: 0; top: 72px; height: 36px;
  border-radius: 12px; pointer-events: none;
  background: var(--accent-soft);
  border-top: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
}
.dp-preview { text-align: center; margin-top: 14px; font-size: 13px; color: var(--text-muted); }
.dp-preview b { color: var(--accent-deep); font-size: 15px; letter-spacing: .5px; }
.dp-foot { display: flex; gap: 10px; margin-top: 16px; }
.dp-foot .btn { flex: 1; }

/* ============================================================
   二十、v1.6 位置共享模块
   ============================================================ */

/* 两地距离大数字 */
.loc-distance {
  text-align: center;
  padding: 18px 16px 20px;
  margin-bottom: 14px;
  background: var(--grad-hero);
  border: 1px solid var(--glass-edge);
  border-radius: 22px;
  box-shadow: var(--shadow-card);
}
.loc-distance .ld-num {
  font-size: 42px; font-weight: 780; line-height: 1.1; letter-spacing: -1px;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.loc-distance .ld-lb { font-size: 13px; color: var(--text-soft); margin-top: 4px; }

/* 成员位置卡 */
.loc-card { margin-bottom: 14px; }
.loc-card.me { border-color: color-mix(in srgb, var(--accent) 48%, transparent); box-shadow: var(--shadow-accent); }
.loc-card.stale { border-color: color-mix(in srgb, var(--danger) 42%, transparent); }
.loc-head { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-bottom: 12px; }
.loc-role {
  flex-shrink: 0; font-size: 12px; padding: 3px 9px; border-radius: 8px; font-weight: 600;
  background: var(--accent-soft); color: var(--accent-deep);
}
.loc-role.female { background: color-mix(in srgb, var(--lilac) 22%, transparent); color: var(--lilac-deep); }
.loc-name { font-weight: 650; font-size: 15px; }
.loc-age { margin-left: auto; font-size: 12px; color: var(--text-muted); }
.loc-addr {
  font-size: 17px; font-weight: 650; line-height: 1.55; word-break: break-word;
}
.loc-coords {
  margin-top: 6px; font-size: 12.5px; color: var(--text-muted);
  font-variant-numeric: tabular-nums; letter-spacing: .3px;
}
.loc-meta { margin-top: 6px; font-size: 12px; color: var(--text-muted); }
.loc-off {
  font-size: 14px; color: var(--text-muted);
  padding: 12px 14px; border-radius: 13px;
  background: var(--surface-soft); border: 1px dashed var(--line-strong);
}
.loc-stale { margin-top: 8px; font-size: 12px; color: var(--danger); }
.loc-warn { margin-top: 10px; font-size: 12px; color: var(--danger); line-height: 1.6; }

/* 手动按城市共享 */
.loc-manual {
  display: flex; gap: 8px; align-items: center;
  margin-top: 12px; padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
}
.loc-manual input { flex: 1; min-width: 0; }
.loc-manual .btn { flex-shrink: 0; }

/* v1.7：天气与地图已移除（原服务不合商用授权，详见 README 合规说明） */
.loc-credit { margin-top: 8px; font-size: 11px; }
.loc-credit a { color: var(--accent-deep); text-decoration: underline; }

.loc-tips { margin-bottom: 14px; }
.loc-tips h3 { font-size: 14px; margin-bottom: 6px; }